Seagate 500GB Wireless Hard Disk Drive $49 @ Target (Instore Only) (Limited Stock)
Checked my postcode on the website and the nearest store had 'Limited Stock'. Went to the store and 4 were in stock, picked up 2. Many stores have 'Limited Stock' so possibly a few remaining.
https://www.target.com.au/p/seagate-5-gb-wireless-hard-disk-…
Good price & shows available locally for me…
So checked reviews:
You can connect 3 devices at one time. All 3 devices can watch 3 different movies. Amazon
But
there's very little to recommend anyone to buy this device (compared to larger capacity wireless storage)
It is relatively bulky for a storage device, and something more portable would have been preferred. Seagate oddly chose to fit in a USB 2.0 port rather than a USB 3.0 model, something that makes it a chore to transfer large amounts of data; it would probably take days to transfer half a terabyte of data.
http://www.techradar.com/reviews/pc-mac/pc-components/storag…
However…
(The focus of the streaming feature on this drive is exactly that: streaming, and not file transfers.) That said, the highlights of this drive are its mobility and media-sharing capability, and those will play a bigger role than sending data through a USB port (3.0 or not) for most on-the-road users. So long as you don't intend to also use this drive for frequent wired backups, the USB 2.0 limitation shouldn't be a big deal.
http://www.computershopper.com/storage/reviews/seagate-wirel…
That review has Setup instructions, directly connect & stream to Chromecast, connect to internet via WiFi + this drive at same time, etc